Around New Year and before Lent, those in Bulgarian kukeri costumes walk and dance through villages to scare away evil spirits with their costumes and the sound of their bells. – WTF Fun Facts
Source: https://en.wikipedia.org/wiki/Kukeri

Around New Year and before Lent, those in Bulgarian kukeri costumes walk and dance through villages to scare away evil spirits with their costumes and the sound of their bells. – WTF Fun Facts
Source: https://en.wikipedia.org/wiki/Kukeri